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27 lines
1.4 KiB
27 lines
1.4 KiB
# Importing an existing Postgres database from another installation (optional)
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Run this if you'd like to import your database from a previous installation of Synapse.
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(don't forget to import your `media_store` files as well - see [the importing-media-store guide](importing-media-store.md)).
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## Prerequisites
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For this to work, **the database name in Postgres must match** what this playbook uses.
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This playbook uses a Postgres database name of `homeserver` by default (controlled by the `matrix_postgres_db_name` variable).
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If your database name differs, be sure to change `matrix_postgres_db_name` to your desired name and to re-run the playbook before proceeding.
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The playbook supports importing Postgres dump files in **text** (e.g. `pg_dump > dump.sql`) or **gzipped** formats (e.g. `pg_dump | gzip -c > dump.sql.gz`).
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Importing multiple databases (as dumped by `pg_dumpall`) is also supported.
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Before doing the actual import, **you need to upload your Postgres dump file to the server** (any path is okay).
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## Importing
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To import, run this command (make sure to replace `<server-path-to-postgres-dump.sql>` with a file path on your server):
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ansible-playbook -i inventory/hosts setup.yml --extra-vars='server_path_postgres_dump=<server-path-to-postgres-dump.sql>' --tags=import-postgres
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**Note**: `<server-path-to-postgres-dump.sql>` must be a file path to a Postgres dump file on the server (not on your local machine!).
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